This can be achieved only through practice. The preparation of assembly drawingsfrom part drawings, require lot of skill. Assemble theparts and draw to a suitable scale, (i) sectional view from the front and (ii) the view from the left.SOLUTIONS FOR GUIDANCEThe assembly drawings are very critical and the principles of making the assembly drawingsfrom the part drawings are explained in detail in the text. The top cover 12 is placed overthe housing and the wheel shaft end covers are fastened to both the housing and top cover, thuscompleting the assembly.ExerciseThe details of a single stage worm gear speed reducer are shown in the Fig. These end cover assemblies arelocated on the wheel shaft assembly and placed over the housing. The oil seal 11 and rollerbearing 6 are assembled in both the wheel shaft end covers 8. The worm wheel 4 is fitted on the wheel shaft by means of a key. 18.53 Speed reducerThe closed end cover 5 is used on the right side of the worm shaft and fastened to the housingwhile end cover 7 is fastened to the housing on the left side.
Cl 1 1 Housing MS 1 2 Worm shaft MS 1 3 Wheel shaft MS 1 4 Worm wheel Cl 1 5 End cover-closed - 2 6 Roller bearing Cl 1 7 End cover Cl 2 8 End cover-wheel shaft - 2 9 Ball bearing Rubber 2 10 Oil seal Rubber 2 11 Oil seal Cl 1 12 Top cover Fig.
0 kommentar(er)
